Originally posted by xJLxKingthat's very different
The same reason why he didn't kill Lex and so many other who were killing him. **DS comes to mind*
it's one thing for Superman to hold back against a being he either doesn't know how powerful or he knows is no match (lex)
it's another thing for him to hold back against a being who just slaughtered the justice league like toys, is destroying Metropolis, and is on the verge of killing him...holding back in that situation strikes me as plain dumb